(4 points) 4. Use a right triangle to write each expression as an algebraic expression. Assume...
(4 points) 4. Use a right triangle to write each expression as an algebraic expression. Assume that x is positive and that the given inverse trigonometric function is defined for the expression in sin cos
Use a right triangle to write the following expression as an algebraic expression. Assume that for the expression in x. is positive and that the given inverse trigonometric function is defined soccos *) sec (cos *)-0 (Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression Rationalize all denominators.)
5. Use a right triangle to evaluate the expression. You must draw the triangle and show work to receive credit. tanesc
Use the trigonometric substitution to write the algebraic expression as a trigonometric function of e, whe V 9 - x x = 3 sin e
Assuming u is positive, use a right triangle to find an algebraic formula for the following expressions: a) csc (cos^-1(1/u)) b) sin (tan^-1(u))
5. (15 points) Find the exact value of the following. A decimal answer or an answer with no work will receive no credit. Circle your final answer. a. cos G) - b. sin (1) cos(3- c. sin(255") - sin(15) - d. cosítan"'(-7)) = e tan" (cot (3) - 6. (6 points) Write the following trigonometric expression as an algebraic expression in cos (tan: (2014 )
Use an Addition or Subtraction Formula to write the expression as a trigonometric function of one number. tan 1 + tan 18 1-tang tan Find its exact value. Use an Addition or Subtraction Formula to write the expression as a trigonometric function of one number. tan 440 - tan 140 1 tan 44° tan 14 Find its exact value. Use an Addition or Subtraction Formula to write the expression as a trigonometric function of one number cos 115 cos(-플)-sin 115...
(4 points) 17. Solve the equation on the interval [0, 2x) cos 3x cos 3x + sin 3x sin 3x (6 points) 11. Use the Addition or Subtraction Formula only to find the exact value of the expression. Again, you must show your work to receive credit. a) cos b) sin 105
2 Write the given algebraic expression as a function of e, where 0 <e< by using the substitution given: a) x = 6 cos in 36 - x2 b) x = 2 tane in Vx2 + 4
Use an identity to write the expression as a single trigonometric function. 1 - cos 86° sin 86° 1 o cos 86° sin 86° 11 (Simplify your answer.)